<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <title>Document</title>
</head>

<body>

  <div id="app">

  </div>

  <script src="../js/vue.js"></script>

  <script>
    const app = new Vue({
      el: '#app',
      data: {
        message: 'Hello'
      }
    })
  </script>

</body>

</html>